Financial office only for mailing letters and packages, no boxes for rent

Hours: Monday – Friday, 9:00 am - 5:00 pm

Closed Saturdays

617-924-7480

The Watertown Post Office delivers to approximately 15,997 locations. There are 66 collection boxes in town, plus six express mail boxes located at 9 Galen Street (rear), the Watertown Mall, 65 Grove Street, and 602 Pleasant Street, and in front of the post offices at 126 Main Street and 589 Mt. Auburn Street.